CARTE DE LA ROUTE DE LA SOIE
make_line(
make_point(x_min($geometry), y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.1, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.2, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.3, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.4, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.5, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.6, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.7, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.8, y(centroid($geometry))),
make_point(x_min($geometry) + (x_max($geometry) - x_min($geometry)) * 0.9, y(centroid($geometry))),
make_point(x_max($geometry), y(centroid($geometry)))
)
substr("name", @row_number, 1)
-(x(transform($geometry, layer_property(@layer, 'crs'), 'EPSG:4326')) - 76)
clamp(50000,"longueur" * 33, 90000)